how to use ribbon bar inside ribbon tab

Jun 18, 2013 at 4:10 PM
i want use 4 Level's of Hirearchy for that i need ribbon bar inside the ribbon tabitem can any one plz suggest me


i need the my output should be like this:

(RibbonBar1)
--->Level 1(RibbonTabItem1)
       -->(RibbonBar2)
               |--->Level 2(RibbonTabItem2)
                       -->(RibbonGroup)
                             |--->Level 3(RibbonDropDown Buttons)
                                     -->(RibbonGroup)
                                        |--->Level 4(RibbonDropDown Buttons)
                                                -->(RibbonGroup)